What SQL statement is used to add a unique constraint to a column?OptionsPRIMARY KEYUNIQUECHECKCONSTRAINT
Question
What SQL statement is used to add a unique constraint to a column?OptionsPRIMARY KEYUNIQUECHECKCONSTRAINT
Solution
The SQL statement used to add a unique constraint to a column is "UNIQUE".
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Which SQL constraint ensures that all values in a column are unique?OptionsPRIMARY KEYCHECKDEFAULTUNIQUE
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What is the purpose of the SQL CHECK constraint?OptionsEnsures that a column contains unique valuesDefines a condition that must be satisfied for data to be entered into a columnPrevents the deletion of a tableEnsures that a column contains only numeric values
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